A pop group called Country Joe and the fish sang this anti Vietnam war protest song at Woodstock in front of 400 000 people, I think it was something like 1969(I am sure Rick would know he knows everything lol). Simple lyrics but they were spot on then and they are spot on now only difference being the perceived enemy (communism then). Their web site claims that they stopped the Vietnam war:

Yeah, come on all of you, big strong men,
Uncle Sam needs your help again.
He's got himself in a terrible jam
Way down yonder in Vietnam
So put down your books and pick up a gun,
We're gonna have a whole lotta fun.

And it's one, two, three,
What are we fighting for ?
Don't ask me, I don't give a damn,
Next stop is Vietnam;
And it's five, six, seven,
Open up the pearly gates,
Well there ain't no time to wonder why,
Whoopee! we're all gonna die.

Well, come on generals, let's move fast;
Your big chance has come at last.
Gotta go out and get those reds —
The only good commie is the one who's dead
And you know that peace can only be won
When we've blown 'em all to kingdom come.

And it's one, two, three,
What are we fighting for ?
Don't ask me, I don't give a damn,
Next stop is Vietnam;
And it's five, six, seven,
Open up the pearly gates,
Well there ain't no time to wonder why
Whoopee! we're all gonna die.

Huh!

Well, come on Wall Street, don't move slow,
Why man, this is war au-go-go.
There's plenty good money to be made
By supplying the Army with the tools of the trade,
Just hope and pray that if they drop the bomb,
They drop it on the Viet Cong.

And it's one, two, three,
What are we fighting for ?
Don't ask me, I don't give a damn,
Next stop is Vietnam.
And it's five, six, seven,
Open up the pearly gates,
Well there ain't no time to wonder why
Whoopee! we're all gonna die.

Well, come on mothers throughout the land,
Pack your boys off to Vietnam.
Come on fathers, don't hesitate,
Send 'em off before it's too late.
Be the first one on your block
To have your boy come home in a box.

And it's one, two, three
What are we fighting for ?
Don't ask me, I don't give a damn,
Next stop is Vietnam.
And it's five, six, seven,
Open up the pearly gates,
Well there ain't no time to wonder why,
Whoopee! we're all gonna die.